package com.mybar.subject.infer.basic.service.utils;


import com.alibaba.druid.filter.config.ConfigTools;

import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;

/**
 * 数据库加密util
 * Descreption
 * @author Levi
 * @date 7/17
 */
public class DruidEncryptUtil {

    private static String pubulicKey;

    private static String privateKey;

    static {
        try {
            String[] keyPair = ConfigTools.genKeyPair(512);
            privateKey=keyPair[0];
            System.out.println("prinvateKey:"+privateKey);
            pubulicKey=keyPair[1];
            System.out.println("pubulicKey:"+pubulicKey);

        } catch (NoSuchAlgorithmException e){
            e.printStackTrace();
        } catch (NoSuchProviderException e) {
            throw new RuntimeException(e);
        }
    }

    public static String encrypt(String plainText) throws Exception {
        String encrypt = ConfigTools.encrypt(privateKey, plainText);
        System.out.println("encrypt:"+encrypt);
        return encrypt;
    }
    public static String decrypt(String encryptText) throws Exception {
        String decrypt = ConfigTools.decrypt(pubulicKey, encryptText);
        System.out.println("decrypt:"+decrypt);
        return decrypt;
    }

    public static void main(String[] args) throws Exception {
        String encrypt = encrypt("123456");
        System.out.println("encrypt:"+encrypt);
    }
}
